Patent Information
Publication number: US382280 A
Patent Title: Nikola
Publication type: Grant
Publication date: May 1, 1888
Filing date: Oct 12, 1887
Publication number: US 382280 A, US 382280A, US-A-382280, US382280 A, US382280A
Inventors: Nikola Tesla

Critical Features disclosed in this patent
1. New method or mode of transmission;
2. Dynamo motor conversion with two independent circuits for long distance transmission;
3. Alternating current transmission;
4. Includes a disclaimer;
5. Economic; Efficient

Note: Nikola Tesla was an inventor who obtained around 300 patents worldwide for his inventions. Some of Tesla’s patents are not accounted for, and various sources have discovered some that have lain hidden in patent archives. There are a minimum of 278 patents issued to Tesla in 26 countries that have been accounted for. Many of Tesla’s patents were in the United States, Britain, and Canada, but many other patents were approved in countries around the globe. Many inventions developed by Tesla were not put into patent protection.

Reference: https://en.wikipedia.org/wiki/List_of_Nikola_Tesla_patent
US382280